MSI X99S XPOWER AC Manual - Manual (Page 29)

Chapter 1
1-15 Getting Started
9. Evenly spread a thin layer of thermal paste (or thermal tape) on the top of the
CPU. This will help in heat dissipation and prevent CPU overheating.
10. Locate the CPU fan connector on the mainboard.
11. Place the heatsink on the mainboard with the fan’s wires facing towards the fan
connector and the screws matching the holes on the socket.
12. Using a screwdriver tighten the four captive screws (9 inch-pounds).
13. Finally, attach the CPU fan cable
to the CPU fan connector on the
mainboard.
Thermal paste
CPUFAN2